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Thunderbike RS-R Life Fitness Is the Ultimate Muscle Machine

Thunderbike RS-R Life Fitness 18 photos
Photo: Thunderbike
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A quick look at this custom bike and we are pretty convinced its name is not just for show: not only does it seem potent enough to put up quite a fight when going full speed down the highway, but it also looks uncomfortable enough to put some serious strains on the rider’s back.
What you see in the gallery above is called, just as the title says, Thunderbike RS-R Life Fitness. Thunderbike is the garage that made it, RS-R an internal designation of the garage, one we are already familiar with, and Life Fitness, as far as we understand, the name of a local provider of fitness services.

The build was commissioned a few years ago by an unnamed customer – Thunderbike very rarely says who the people who ride its bikes are – as a blend between a custom frame and proven Harley-Davidson hardware.

The frame is one of the over 15 the Germans have in their portfolio, inside which a Harley-Davidson Twin Cam good for 110 ps was fitted. Made to breath through a Jeckill & Hyde exhaust system, it sends its power to the road in the proper amount thanks to a Harley 6-speed transmission.

The styling of the bike was kept simple, with shades of black mixed with softer tones on the fuel tank and other body parts. The wheels, sized 19-inch front and 18-inch rear, complete the look of this muscle machine.

Like it usually does, Thunderbike said nothing about how much it cost to put this thing together. With a price for the frame alone of around 11,000 euros ($12,500 or thereabouts), it was of course not cheap.

We are not being told what became of the motorcycle in the seven or so years that have passed since it was completed, but you can still admire it in the photos available above.
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About the author: Daniel Patrascu
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Daniel loves writing (or so he claims), and he uses this skill to offer readers a "behind the scenes" look at the automotive industry. He also enjoys talking about space exploration and robots, because in his view the only way forward for humanity is away from this planet, in metal bodies.
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